BY FREDERICK A. A, SKUSE. 
1739 
is a patch of yellow scales. Proboscis as long as the palpi, 
violet-black, or very deep violet-brown, with a moderately broad 
ring of white just beyond the middle. Palpi brown, violet-black 
towards the apex, the last two joints ringed with white at the 
base. Thorax deep umber-brown, with a dense minute black 
pubescence, and marked 
tudinal lines ; — a median 
coming furcate before 
fork enclosing a space 
scence) ; a short golden- 
line on each side of this. 
with several fine longi- 
one of silvery -white, be- 
reaching the scutellum (the 
entirely destitute of pube- 
yellow (sometimes silvery) 
starting below the anterior 
border and terminating before the middle of the thorax ; a 
lateral long sinuous silvery-white one, the anterior extremity 
very close to the median line, the posterior half little bent ; 
lastly there is another short line of silvery-white above 
the wings, the anterior extremity of which does not reach 
the middle of the thorax ; pleurae, scutellum, and metanotum 
paler brown than the rest of the thorax, the first spotted with 
(generally eleven) small patches of silvery-white scales ; scutellum 
bordered with a broad line of silvery- white scales, interrupted a 
short distance from each extremity ; the interstices of the thoracic 
lines and the scutellum beset with long black hairs. Halteres 
pale, with some white scales. Abdomen twice the length of the 
thorax, deep violet-black or violet-brown, each segment bordered 
anteriorly with ochre-yellow scales and spotted laterally with a 
small patch of silvery-white scales ; long golden-yellow hairs ; 
beneath violet-black or violet-brown, each segment with a slight 
Vjand of silvery-white scales anteriorly, the short terminal segment 
covered with silveryAvhite scales ; holding forceps deep brown. 
Coxae yellowish, with silvery-white scales and golden-yellow hairs. 
Femora, tibiie, and tarsi violet-black, a silvery-white line along 
each side of the femora and tibije, and a ring of silvery-white 
at the base of all the joints of the tarsi of the hind-legs, and on 
the first and second joints of the tarsi in the fore- and inter- 
mediate legs. Wings about the length of the abdomen, pelluci<l, 
with a scarcely perceptible brownisli tint, the veins densely 
